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问题 pop用法（及物还是不及物）

Others have seen the pop they got at their ipo swiftly dissipate. When Lyft went public its share price popped 8.7% on the first day of trading. 请问老师，popped 及物还是不及物？在这里指什么意思？ 

问题 be to do 的用法

Clusters of tiny insects called aphids were to be found on the underside of the leaves. 这句话出自于新概念第三册54课，请问这里的were to be found表示的是什么含义？

问题 关于that，when从句

最近见到几种特殊的从句，一，You may depend on it that tomorrow will be fine.二，I take it that he will succeed.三，I appreciate it when you ask me for help.以上三个句子中的it都是形式主语，请老师帮忙分析一下此类用法，谢谢！！！

问题 cooperation

The National Congress of the China held ladt month has clearly articulatedd China's firm commitment to peaceful development and to the development of friendship and cooperation with all other countries on the basis of the Five Principal of Peaceful Coexistence.这句话里的是to the developmen...

问题 this time tomorrow 的语法分析

This time tomorrow I’ll be lying on the beach.请问这里的 this time tomorrow 如何分析？this time 和 tomorrow 均为时间状语？还是 tomorrow 是定语，修饰 this time？

问题 so…that…中的that可以省略吗

I am so busy I have no time to write a letter. 我忙得连写信的时间都没有。 这个句子属于so…that…句式吗？为什么没有that呢？是省略了？还是……？谢谢老师解答！

问题 vary between与vary among的区别

Diet varies _______ different countries in the world.A. between               B. among 请问如何选择？同时请老师具体谈谈它们的用法。

问题 比较级和最高级的构成，不要他们的变化规则

比较级和最高级的构成，不要他们的变化规则，列如：be+a+比较级+than

问题 动名词后的宾语从句？

I have had to develop a tolerance for loud noise,working where I do.请问working where I do .where I do 是宾语从句，还是定语从句？动名词有名词特性，请问，动名词能作限定词，后面能接定语从句，修饰它吗？for loud noise是作定语吗？

问题 现在完成时和过去完成时

Linda feels exhausted because she ________ so many visitors today.A. has been having B. was having C. had been having D. had had为什么这道题不能用过去完成时啊？为什么D项不对啊？请老师详细讲解这道题

问题 while,during,when表示时间的区别

_______the first decade of the 19thcentury, the velocipede, the forerunner of the modern bicycle, lost favor temporarily. A. While B. It was C. During D. When 

问题 关于whom的定语从句问题

Many young people, most______were well-educated, headed for remote regions to chase their dreams.A. of which B. of them C. of whom D. of those老师，这题选C，但是定语从句中缺的是主语，whom在定语从句中只能做宾语的成分，这不是矛盾了么？

问题 the way连接的前后句子时态不同

She handled her elders the way a snake charmer handles snakes.这里the way作为连词连接这两个句子为什么前面的时态用了过去式，后面的词性用了一般现在时，是对比她过去的行为和一个既定事实？

问题 that when连在一起算什么语法

 marked by or conducive to sensations of heat brought about by strenuous exertion that when resulting from sport or pleasurable exertion are often accompanied by a glow of well-being

问题 英语中的隐喻手法的理解

①Jaws told of a silent,monstrous predator(指大白鲨) that chewed up the lives,limbs and the summer vacations of unfortunate swimmers at an Atlantic Ocean coastal resort. ②Sales took off,money rolled in. 请问:为何②句是隐喻手法？①句有包含什么修辞手法吗？